I like my XTs but I'm glad I had a 396T first - it came with software and a manual. Uniden learned from their XT mistake (no real manual, no included software) and have both for the 'HPs. "Someday" the OKWIN sites will all be updated to P25 and it may be the case that the PTB decide to go straight to the TDMA stuff rather than the "regular" P25. IMHO, the longer the time to the upgrade the more likely that is to happen (because Phase II will eventually be "current" and no longer "new"). Since the 'HPs work with the "new" style, they are obviously a little more future-proof.
That said, there is plenty to listen to in analog, let alone P25. There isn't much P25 save for Tinker, a few random talk groups (Cedar Country Fire? Really?), and EMSA (which is encrypted full-time). So there isn't much you'd "miss" even if you only had an analog scanner.
Now then, I am a radio nerd and I have the budget for an 'HP. Does anyone in Central OK have one? I'd kinda like to at least *see* one before I shell out.